News Sen. Chuck Grassley, 87, cleared by doctors to return to work following COVID-19 diagnosis November 30, 2020 Stephen Gruber-Miller, Des Moines Register Comments Off on Sen. Chuck Grassley, 87, cleared by doctors to return to work following COVID-19 diagnosis "This disease affects people differently. I did not experience symptoms, but more than a thousand Americans are dying every day," Grassley said.